Built-in gas rangetop



1. Built-in gas rangetop

1.1 : Perspective

1.2 : Front

1.3 : Back

1.4 : Left

1.5 : Top

1.6 : Bottom

1.7 : Reference view

The broken lines depict portions of the built-in gas rangetop that form no part of the claimed design; the dash-dot broken lines define the boundary of the claimed design and form no part thereof; reproduction 1.1 is a front perspective view of the built-in gas rangetop; reproduction 1.2 is a front view thereof; reproduction 1.3 is a back view thereof; reproduction 1.4 is a left view thereof where the right view is a mirror image; reproduction 1.5 is a top view thereof; reproduction 1.6 is a bottom view thereof; and reproduction 1.7 is a reference view in which the claimed design is shown in its environment, the environment not forming a part of the claimed design. 

CLAIM The ornamental design for a built-in gas rangetop, as shown and described. 